DuoCLR pretrains on trimmed skeleton sequences using Shuffle-and-Warp multi-action permutations and two surrogate tasks, significantly improving action segmentation on untrimmed videos.
Stitch, contrast, and segment: Learning a human action segmentation model using trimmed skeleton videos
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DuoCLR: Dual-Surrogate Contrastive Learning for Skeleton-based Human Action Segmentation
DuoCLR pretrains on trimmed skeleton sequences using Shuffle-and-Warp multi-action permutations and two surrogate tasks, significantly improving action segmentation on untrimmed videos.